<div class="panel panel-default">
  <div class="panel-heading">Chuyên Mục</div>
  <div class="panel-body">
     <div class="list-group">
        <a href="#" class="list-group-item">
          Thông Báo
        </a>
        <a href="#" class="list-group-item">
          Tin Tức
        </a>
        <a href="#" class="list-group-item">
          Chiêu Sinh
        </a>
      </div>
  </div>
</div>